| Literature DB >> 19665378 |
Alex H Taylor1, Russell D Gray.
Abstract
A new study shows that rooks are able to spontaneously drop stones into a tube of water to obtain a floating worm. This sophisticated problem solving raises intriguing questions about the use of imagination in animals.Entities:
Mesh:
Year: 2009 PMID: 19665378 DOI: 10.1016/j.cub.2009.07.055
Source DB: PubMed Journal: Curr Biol ISSN: 0960-9822 Impact factor: 10.834